NSN 5310-01-269-9809, 5310012699809
NUT,ASSEMBLY-BARREL

Federal Supply Classification: FSC 5310 - Nuts and Washers
National Item Identification Number: NIIN 012699809
Codification Country: United States
Item Name Code: INC 77777
Criticality: (F) This item is a Flight Safety Critical Aircraft Part (FSCAP).
Hazardous Material Indicator Code: (N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.

Availability: Request Qualified Suppliers: Currently qualifying suppliers

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DLMS^® Summary

National Stock Number 5310-01-269-9809

National Stock Number (NSN) 5310-01-269-9809, or NIIN 012699809, (nut,assembly-barrel) was assigned December 24, 1987 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There is only one manufacturer part number associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 7 suppliers. Today, 6 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 6 suppliers are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over a year. There have been 9 contracts issued for this part number, with 9 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 7 different suppliers. The last contract numbers awarded were: SPE4A724P1457, SPE4A622PX855, SPE4A419P0053, SPE5E718P0957, SPE5E716M0966. The total value of the awarded contracts has been US$ 68,451.00.

This NSN is unique to one weapons system.

There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jun 02, 2005, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 77777. This item is a Flight Safety Critical Aircraft Part (FSCAP). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5310012699809 does not contain precious metals.

This information was last updated on Jun 01, 2025.

Technical Characteristics

END ITEM IDENTIFICATION: (AGAV) B-1B ACFT
FUNCTIONAL DESCRIPTION: (FTLD) USED ON ENGINE MOUNT,FORWARD,OUTBOARD
OVERALL LENGTH: (ABHP) 2.882 INCHES NOMINAL
OVERALL WIDTH: (ABMK) 1.229 INCHES NOMINAL
PART NAME ASSIGNED BY CONTROLLING AGENCY: (CXCY) NUT, BARREL - FORWARD OUTBOARD ENGINE MOUNT, ASSEMBLY OF
SPECIAL FEATURES: (FEAT) HOLE DIAMETER: .980" (4 PLACES); RADIUS: .030 (4 PLACES); DISTANCE BETWEEN HOLES (MIDPOINT TO MIDPOINT): 1.3"; DISTANCE FROM HOLE (MIDPOINT) TO END: .790"
SPECIAL TEST FEATURES: (SPCL) DRILL 49/64 THRU 2 PLACES; CSK 120 DEGREES X .82 DIAMATER (4 PLACES); TAP 3/4-16 SPCL THD; PD .7906"; 3591-12 TNV 1125 (2 REQUIRED)